The Key to the Hellmouth: The Importance of Doors in Buffy the Vampire Slayer.
"Have you ever stopped to think how often doors play a central role in Joss Whedon's cult show, Buffy the Vampire Slayer? Buffy kicked the door open when it comes to strong female-fronted genre shows (not to mention realistic portrayals of LGBT characters on TV) but that's because, as this video shows, she spent plenty of time kicking LITERAL doors wide open."